Hikvision DS-QAZ1430G1 Network Column Speaker 30W Adopt high-speed industrial grade dual

Network Column Speaker 30W Adopt high-speed industrial grade dual core chips, built-in NOR Flash+EMMC dual storage, support dual backup of the system to ensure stable and reliable system performance. Support secure startup, user login locking mechanism, and password complexity prompts, support security audit log traceability, and improve system network